Portion of an ergonomic band for ear plugs

Description

FIG. 1 is a perspective view of a portion of an ergonomic band for ear plugs showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a side elevational view thereof, the opposite side elevational view being identical thereto;

FIG. 4 is a side view thereof, the opposite side elevational view being identical thereto;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a top view thereof.

The broken lines shown in all views are for illustrative purposes only and form no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D227479 June 1973 Scanlon
D338267 August 10, 1993 Scholey
D371558 July 9, 1996 Yoshizawa
2782423 February 1957 Simon et al.
3085253 April 1963 Ulrich et al.
3295631 January 1967 Machlup
3504760 April 1970 Littmann
3934674 January 27, 1976 Shore et al.
3993161 November 23, 1976 Shore
4461290 July 24, 1984 Gardner, Jr. et al.
4490857 January 1, 1985 Leight et al.
4671265 June 9, 1987 Andersson
4944361 July 31, 1990 Lindgren et al.
5068923 December 3, 1991 Sjoqvist
5749373 May 12, 1998 Dix
Foreign Patent Documents
0 587 925 B1 March 1994 EPX
0 836 841 A2 April 1998 EPX
296 11 562U 1 December 1996 DEX
Other references
  • Product Information: QB2 quiet band supra-aural hearing protector by Howard Leight Hearing Protection. Undated. Product Literature: "Reflex.TM. Hearing Protection with a New Twist," Aearo Company, 1996. Product Information; ReFlex.TM. semi-insert hearing protector from Aearo Company, 1997. Product Information: GelPods.TM. and GelCaps.TM. banded ear devices by Elvex Corporation, Undated. Product Information: CABOFLEX.RTM. and E.cndot.A.cndot.R.TM. Caps.TM. semi-aural hearing protectors by E.cndot.A.cndot.R. Product Information: Lightweight hearing band by Tasco, Undated. Product Information: Pura-Band hearing band by Moldex, Undated. Product Information: Sound Ban.RTM. canal caps by Willson, Undated. Product Information: Perflex.RTM. hearing band by Bilsom, Undated. Product Information: Perflex.RTM. ear caps by Bilsom, Undated. Product Information: Sound Ban.RTM. ear protectors by Willson, Undated.
Patent History
Patent number: D422693
Type: Grant
Filed: May 9, 1997
Date of Patent: Apr 11, 2000
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Joy A. Packard (Somerset, WI), Floyd L. Foslien (Town of Troy, WI), Liana V. Palaikis (Woodbury, MN)
Primary Examiner: Pamela Burgess
Attorney: James A Rogers
Application Number: 0/70,519
Classifications
Current U.S. Class: Ear Plug Or Nose Clip (D24/106); Headphone Or Headset (D14/205)
International Classification: 2404;